Global Compliance
UL, FCC, CE, ROHS, CB, RCM, BIS, UKCA certified
Quality Assured
ISO 9001 quality management, <0.1% defect rate
Fast Turnaround
Efficient production workflow, on-time delivery
Expert Team
15+ years experience, professional engineering support
Trusted Power Supply Manufacturer Since 2011
Your Reliable Power Adapter Factory & UL Listed Power Supply Partner
TQ Power is a professional power supply manufacturer with 15+ years of experience in designing and producing high-quality power adapters. As a certified UL listed power supply provider, we deliver safe, reliable, and compliant power solutions to 500+ global clients across 80+ countries.
Our state-of-the-art power adapter factory in Shenzhen and Dongguan, China, is equipped with advanced production lines and strict quality control systems. We specialize in OEM/ODM services, offering comprehensive customization from electrical specifications to branding and packaging.
15+
Years Experience
500+
Global Clients
10M+
Units Exported
< 0.1%
Defect Rate

7 Dimensions of Customization
Comprehensive OEM/ODM capabilities covering every aspect of your custom power adapter — from electrical specifications to branding and packaging

Capability 01
Current and Voltage Customization
- Output voltage: From 3V to 48V (Optional)
- Output current: From 0.5A to 10A (Optional)
- Output power: Up to 240W (Optional)
- Multi-output configurations: Single or Dual outputs available (Optional)
- Precise adjustment: High precision, low ripple and low noise (Optional)

Capability 02
Logo Customization
- Silkscreen printing: Durable, vivid brand logos on surfaces.
- Laser engraving: Permanent, premium high-end finish. (Optional)
- Sticker labeling: Flexible for parameters and safety marks. (Optional)
- Custom brand logo: Fully integrated brand identity. (Optional)
- Safety markings: Compliant with global regulatory requirements.

Capability 03
AC Plug Customization
- EU / US / UK / AU / CN Standards: Fixed plugs for all major markets.
- Interchangeable Head Design: One adapter, multiple plug types.
- Multi-Region Compatibility: Meets global rules, cuts SKU complexity.

Capability 04
DC Cables & Connectors Customization
- Custom Length & Gauge: 1m, 1.2m, 1.5m, and other options available.
- UL-Certified Materials: High-quality, safety-compliant cable construction.
- Multiple Connector Types: 5.5×2.1mm, 5.5×2.5mm, 4.0×1.35mm, and more.
- USB Type-C / Micro USB: Versatile connectors for modern device designs.
- Color Matching: Custom cable colors to match your product appearance.

Capability 05
PCB Customization
- Circuit Design Customization: Tailored schematics for your exact needs.
- PCBA Layout Optimization: Efficient, reliable board layouts.
- Multi-Output Configurations: Multiple voltage/current outputs available.
- Special Protection Features: OVP, OCP, OTP, and SCP built in.
- Prototype Validation: From schematic design to validated prototype.

Capability 06
Housing Customization
- Custom Mold Design: Exclusive housing molds tailored to your product.
- Color Matching (Pantone): Precise color matching to align with your brand.
- Matte / Glossy Finish: Surface finishing options for a premium look.
- Brand Silk-Print: Silk-printed logos for a distinctive product identity.
- Industrial Design Support: Meeting durability and thermal requirements.

Capability 07
Package Customization
- Custom Box Design: Retail-ready boxes tailored to your brand image.
- Full-Color Printing: High-quality graphics for maximum shelf impact.
- Barcode / QR Code: Seamless integration for tracking and retail sales.
- Multilingual Labels: Compliant labeling to support global market entry.
- Global Market Ready: Packaging designed to meet local regulations.
UL Listed Power Supply & Global Certifications
As a trusted power supply manufacturer, all our products meet international safety and quality standards
Why Our UL Listed Power Supply Stands Out
Every UL listed power supply we produce undergoes rigorous testing and quality control. Our power adapter factory maintains ISO 9001 certification and follows strict manufacturing processes to ensure consistent quality.
- UL/CUL Listed: North American safety certification for market access
- FCC Certified: Electromagnetic compatibility compliance
- CE Marked: European conformity for EU market entry
- ISO 9001: Quality management system certification
- Additional Certs: ROHS, CB, RCM, BIS, UKCA, 3C, IEC 60601/60950/61558/62368

Ready to Partner with a Trusted Power Supply Manufacturer?
Let our engineering team bring your custom power adapter vision to life. As a leading power adapter factory with UL listed power supply capabilities, we're ready to support your project from prototype to mass production.
Get a quote